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Re: openvz and openafs [message #2992 is a reply to message #2987]

Fri, 05 May 2006 15:50

liamr
Messages: 10
Registered: April 2006

Junior Member

> There is some implementation of AFS in mainstream (vanilla)
> kernel 2.6.8 and consequently in openVZ kernel. May be it pass
> your needs?

I don't think it will. I've looked at the notes in /usr/src/linux/Documentation/filesystems/afs.txt, which says..

Quote:

This filesystem provides a fairly simple AFS filesystem driver. It is under
development and only provides very basic facilities. It does not yet support
the following AFS features:

(*) Write support.
(*) Communications security.
(*) Local caching.
(*) pioctl() system call.
(*) Automatic mounting of embedded mountpoints.

We need write support. Some of our servers are also very high traffic, and caching is quite important to us as well.

> So, you were able to mount AFS on host machine?

With the client from openafs.org, yes.

> And you also were able to work with files on mounted AFS on
> host machine?

It looks like the host machine is having some problems. AFS seems to work until openvz is started (or at least until you try to go into /afs in one of the VPSes). It's loosing contact w/ our afs servers:

May 5 11:10:24 simlish kernel: afs: Lost contact with file server 141.211.xxx.yyy in cell umich.edu (all multi-homed ip addresses down for the server)
May 5 11:13:28 simlish kernel: afs: file server 141.211.xxx.yyy in cell umich.edu is back up (multi-homed address; other same-host interfaces may still be down)

So, maybe our patch needs some work.
Could this be due to the routing traffic through virtual interface (venet)?
Or maybe by binding /afs to multiple directories?
(mount --bind /afs /vz/root/777/afs)

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[Message index]

		openvz and openafs By: liamr on Wed, 03 May 2006 19:37
		Re: openvz and openafs By: Vasily Tarasov on Thu, 04 May 2006 08:06
		Re: openvz and openafs By: liamr on Thu, 04 May 2006 14:32
		Re: openvz and openafs By: Vasily Tarasov on Fri, 05 May 2006 05:42
		Re: openvz and openafs By: liamr on Fri, 05 May 2006 15:50
		Re: openvz and openafs By: dev on Sat, 06 May 2006 10:08
		Re: openvz and openafs By: liamr on Thu, 11 May 2006 19:43
		Re: openvz and openafs By: dev on Fri, 12 May 2006 08:11
		Re: openvz and openafs By: liamr on Fri, 12 May 2006 19:04
		Re: openvz and openafs By: dev on Sat, 13 May 2006 07:55
		Re: openvz and openafs By: dev on Sat, 13 May 2006 07:56
		Re: openvz and openafs By: liamr on Fri, 12 May 2006 19:21
		Re: openvz and openafs By: dev on Sat, 13 May 2006 07:53
		Re: openvz and openafs By: wienczny on Sat, 12 May 2007 01:11
		Re: openvz and openafs By: strowi on Mon, 31 March 2008 07:26
		Re: openvz and openafs By: dev on Mon, 31 March 2008 08:32
		Re: openvz and openafs By: strowi on Mon, 31 March 2008 09:44
		Re: openvz and openafs By: dev on Mon, 31 March 2008 09:50
		Re: openvz and openafs By: strowi on Wed, 02 April 2008 14:47
		Re: openvz and openafs By: Night Nord on Sun, 20 July 2008 20:43

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